as part of an experiment, a student places onion root tip samples in 1% colchicine for two hours. for the control group, the student leaves one sample of onion root tips untreated. after two hours, the student prepares five slides of these root tips from each setup and observes them under a microscope. the table shows a summary of the data collected from all slides. which question is the experiment designed to test? responses how does colchicine affect the process of cell division? how does colchicine affect the process of cell division? what are the factors that affect cell division in plants? what are the factors that affect cell division in plants? how much time does a plant cell take to undergo mitosis? how much time does a plant cell take to undergo mitosis? what amount of colchicine is required to prevent cell division? what amount of colchicine is required to prevent cell division?